var EMDE = {
    showElementById: function(elementID) {
	document.getElementById(elementID).style.display = "inline";
	document.getElementById(elementID).style.visibility = "visible";
    },
    
    hideElementById: function(elementID) {
	document.getElementById(elementID).style.display = "none";
	document.getElementById(elementID).style.visibility = "hidden";
    },
    
    enableElementById: function(elementID, booleanDisabled) {
	document.getElementById(elementID).disabled = booleanDisabled;
    },
    
    showElement: function(element) {
	element.style.display = "inline";
	element.style.visibility = "visible";
    },
    
    hideElement: function(element) {
	element.style.display = "none";
	element.style.visibility = "hidden";
    },
    
    enableElement: function(element, booleanDisabled) {
	element.disabled = booleanDisabled;
    },
    
    showiframes: function() {
	var x = document.getElementsByTagName('iframe');
	for(i in x) {
	    EMDE.showElement(x[i]);
	}
    }
};